"""
utils.py

Copyright 2011 Andres Riancho

This file is part of w3af, http://w3af.org/ .

w3af is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 2 of the License.

w3af is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with w3af; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
"""
import os

from w3af.core.ui.tests.wrappers.constants import DISPLAY


original_display = os.environ['DISPLAY']


def set_display_to_self():
    os.environ['DISPLAY'] = DISPLAY


def restore_original_display():
    os.environ['DISPLAY'] = original_display
